Cinnamon Baked Doughnuts Recipe

Ingredients

• Baking spray with flour, such as Baker's Joy 
• 2 cups all-purpose flour 
• 1 1/2 cups sugar 
• 2 teaspoons baking powder 
• 1 teaspoon ground cinnamon 
• 1/2 teaspoon ground nutmeg 
• 1/2 teaspoon kosher salt 
• 1 extra-large egg, lightly beaten 
• 1 1/4 cups whole milk 
• 2 tablespoons unsalted butter, melted 
• 2 teaspoons pure vanilla extract 

For the topping : 

• 8 tablespoons (1 stick) unsalted butter 
• 1/2 cup sugar 
• 1/2 teaspoon ground cinnamon